Dams (1)
ACE Levees (2)
| Army Corps of Engineers |
Coastal Vulnerability (3)
| Low |
| Moderate |
| High |
| Very High |
Sea Level Rise 1.0 meter (4)
Existing Area of Inundation (5)
Dam Failure Inundation (6)
Tsunami Warning Signs (8)
Tsunami Evacuation Area (RCTWG 2009) (9)
Tsunami Hazard Area (CGS 2021) (10)
DWR Awareness Floodplain (12)
| Awareness Floodplain |
FEMA Flood Zones (6/21/2017) (13)
| 100 Year Flood Zone (A, AE, AO, VE) |
| 500 Year Flood Zone (Shaded X) |
| Floodway |
LOMAs_and_LOMRs (14)
| Property |
| Structure |
FEMA Flood Zones 2015 Changes (15)
FEMA Flood Zones 2016 Changes (16)
| ADD |
| NO CHANGE |
| CHANGE ZONE DESIGNATION |
| SUBTRACT |
Area of Potential Liquefaction (18)
Seismic Safety (19)
| 3 High Instability |
| 2 Moderate Instability |
| 1 Low Instability |
| 0 Relatively Stable |
Historic Landslides (20)
Slope LiDAR - Elk/Freshwater (21)
Slope USGS (22)
Slope less than 15% (23)
| <15% |
Topographic Contours 40ft (24)
| Minor Interval |
| Major Interval |
Snow Load (lbs/sqft) (25)
| 0 |
| 5 |
| 6 - 8 |
| 9 - 11 |
| 12 - 14 |
| 20 - 22 |
| 23 - 25 |
| 29 - 30.5 |
| 32 - 33.5 |
| 35 - 36.5 |
| 38 - 39.5 |
| 41 - 42.5 |
| 44 - 45.5 |
| 47 - 48.5 |
| 50 - 51.5 |
| 53 - 54.5 |
| 56 - 57.5 |
| 59 - 60.5 |
| 62 - 63.5 |
| 65 - 66.5 |
| 68 - 69.5 |
| 71 - 72.5 |
| 74 - 75.5 |
| 77 - 78.5 |
| 80 - 81.5 |
| 83 - 84.5 |
| 86 - 87.5 |
| 89 - 90.5 |
| 92 - 93.5 |
| 95 - 99.5 |
Earthquake Faults (27)
| Alquist Priolo Fault |
| Historic Quaternary Faults |
Earthquake Fault Hazard Zones (28)
| Alquist Priolo Zone |
NEHRP Soils - HAZUS (29)
Cal Fire SRA (31)
Fire Response (32)
| District |
| Dist Response Area |
| Non-Dist Response Area |
| Out of District Response |
| Proposed Annexation Area |
| <all other values> |
Fire Hazard Severity (33)
Firewise Communities (34)
Projects / Treated Projects (36)
| Proposed Project |
| Treated Project |
Value / Asset (37)
| Value/Asset |
Safety Resource (Protection) (38)
| Safety Resource (Protection) |
Risk/Hazard (39)
| Risk/Hazard |
Years 1900 to 1919 (41)
| 1900 to 1919 |
Years 1920 to 1939 (42)
| 1920 to 1939 |
Years 1940 to 1959 (43)
| 1940 to 1959 |
Years 1960 to 1979 (44)
| 1960 to 1979 |
Years 1980 to 1999 (45)
| 1980 to 1999 |
Years 2000 to 2019 (46)
| 2000 to 2019 |
Years 2020 to 2022 (47)
| 2020 to 2023 |
No Recorded Year (48)
| No Recorded Year |
Total Fire History (49)
| 2020 to 2023 |
| 2000 to 2019 |
| 1980 to 1999 |
| 1960 to 1979 |
| 1940 to 1959 |
| 1920 to 1939 |
| 1900 to 1919 |
| No Recorded Year |
Airport Compatibility Zones (2021) (51)
| Primary Surface |
| Safety Zone 1 |
| Safety Zone 2 |
| Safety Zone 3 |
| Safety Zone 3* |
| Safety Zone 4 |
| Safety Zone 5 |
| Safety Zone 6 |
| A |
| B1 |
| C |
| D |
Airport Noise Contours (2021) (52)
| 50 CNEL |
| 55 CNEL |
| 60 CNEL |
| 65 CNEL |
| 70 CNEL |
| 75 CNEL |
| 80 CNEL |
Airport Influence Area (2021) (53)
| Review Area 1 |
| Review Area 2 |
Airport Overflight Notification (2021) (54)
Airport Compatibility Zones (1993) (55)
| A |
| B |
| B1 |
| B2 |
| B3 |
| C |
| C* |
| C1 |
| C1* |
| D |
Arcata Airport Noise Contours (56)
| 60CNEL |
| 65CNEL |
Existing Airport Noise Contours (57)
Future Airport Noise Contours (58)
Military Training Routes (59)
Airport Protected Airspace (CC 333/FAR77) (60)
| Horizontal |
| Conical |
| Primary |
| Approach |
| Approach |
| Transitional |
| Transitional |
Airport Reference Points (61)
(62)
|